Não informado. (1999). Seminars in spine surgery. W.B. Saunders.
Style de citation Chicago (17e éd.)Não informado. Seminars in Spine Surgery. Philadelphia, Pa: W.B. Saunders, 1999.
Style de citation MLA (8e éd.)Não informado. Seminars in Spine Surgery. W.B. Saunders, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.